A core text for undergraduate/graduate-level courses in Music Theory and Harmony, Analysis of 20th-Century Music, 20th-Century Idioms, and a supplement for courses in 20th-Century Music History. This text provides the most comprehensive analytical approach to 20th-Century Music available - from Impressionism to recent trends. It covers music from the early 1900s through such movements as Minimalism and the Neoromanticism of the 1990's, and includes chapters on rhythm, form, electronic and computer music, and the roles of chance and choice in Twentieth-Century music.